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for all those who insist that power flushing is a requirement, I will like them to explain to me how this would have helped/worked in this scenario?
![Sludged Pipe.jpg Sludged Pipe.jpg](https://plumbers.s3.eu-west-1.amazonaws.com/data/attachments/14/14475-18fb24d50a0ab849d21a8864d16b7217.jpg)
The picture you are seeing is a 22mm pipework on a gravity system that I converted to a Combi as per customers request.
The internal bore is only about 5mm and even less in some areas. So how is the use of a power flushing machine helpful here?
![Sludged Pipe.jpg Sludged Pipe.jpg](https://plumbers.s3.eu-west-1.amazonaws.com/data/attachments/14/14475-18fb24d50a0ab849d21a8864d16b7217.jpg)
The picture you are seeing is a 22mm pipework on a gravity system that I converted to a Combi as per customers request.
The internal bore is only about 5mm and even less in some areas. So how is the use of a power flushing machine helpful here?